1. Specifications Model Potable Volume gal Height in Weight Ibs a a Domestic Water Inlet Outlet 3 4 M T amp P Valve 3 4 F Boiler Water Supply Return 3 4 M except AL 119SL 1 0 M Hot Out _ Input from Boiler Cold Water In gt 3 4 T amp P Output to Boiler Immersion Aquastat Drain 13 7 8